If you only have 20-30 minutes or less to get in a workout for the day, keep it simple with a few exercises done in as many sets as you can (AMSAYC) . If it is a cardio day for you, try to do as much distance as possible within that time limitation. Either way, you can get an excellent workout quickly, whether you push for high intensity (high sets/distance) or moderate to low intensity, and pace yourself for the effort level you can achieve within that time limit. This is not a race, so focus